Service difficulty report · Wire Harness · Boeing 757224

Difficulty date
July 19, 2025
Submitted
July 21, 2025
Operation
Air carrier
Aircraft
N21108
Make and model
Boeing 757224
Aircraft serial
27298
Aircraft time
105,529 hours, 25,543 cycles
Part
Wire Harness
Part number
BC5133285
Condition
Missing
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING TROUBLE SHOOTING FOUND NO WIRES RUNNING FROM SEAT 32- 36. SEAT 35, 34 AND 32 HAVE NO WIRES AT ALL. WIRE FROM SEAT 37 IS SPLICED IN MULTIPLE PLACES WITH EXCESS WIRE BUNDLED UP UNDER CARPET. ALSO FOUND GROUND WIRE FROM 37- 36 DISCONNECTED. REMOVED SEAT TRACK COVER FROM SEAT 32-37 FOR TROUBLE SHOOTING AFTER FURTHER INSPECTION, NOTED THAT LIGHTS HARNESES MISSING FROM ROWS 37 LEFT TO 32LEFT. REF SWPM 20-10-13 AND DWG BR2013-P-7572C0 ,FOR SPLICE AND WIRING REPAIR AT SEAT 35ABC -37ABC . INSTALLED NEW SECTION OF EEPL SEAT TO SEAT WIRE HARNESS FROM SEAT 36ABC TO 32ABC AND REPAIRED DAMAGED EEPL HARNESS AT SEAT 37ABC TO 36ABC REF CMM 33-51-22 AND SWPM 20-30-12. PERFORMED OPERATIONAL TEST OF EMERGENCY LIGHTS REF AMM 33-51-00. ALL AISLE LIGHTS IN CABIN OPS CHECK GOOD AT THIS TIME. RE-INSTALLED REMOVED LIGHTING RACEWAY COVERS REF AMM 25-27-31.